Can Petunias be propagated by cutting?
For many girls, the question of whether petunias can be propagated by cutting and the detailed knowledge about the propagation methods of petunias, the editor will introduce the following.
Petunias can be propagated by cutting. The scientific name of petunias is Solanum glareosum, which is native to Argentina in South America and belongs to the Solanaceae family. To propagate petunias by cutting, the timing can be in spring or autumn. Choose healthy, pest-free, and robust young branches as cuttings. Select a substrate with good drainage and aeration. Before planting, apply rooting powder to the base of the cuttings. Insert the cuttings into the holes 1/3 of their length, press the surrounding substrate, and water thoroughly. After planting, place the cuttings in a well-ventilated, semi-shaded area for care. They can root in about 14 days and can be transplanted into pots in about 30 days.
1. Cutting Time
For petunia propagation by cutting, the timing can be in spring or autumn. These seasons have warm climates and vigorous plant growth, which is conducive to the survival and rooting of cuttings. It is not suitable to do this in summer or winter when temperatures are too high or too low. If possible, the room temperature can be controlled between 13 to 18°C for cutting.
2. Cutting Selection
The cuttings should be healthy, pest-free, and robust young branches, cut to 10 to 15 centimeters, retaining the top 2 to 3 leaves, and the rest of the leaves should be cut off. The bottom end should be cut diagonally, treated with carbendazim to cover the wound, and then placed in a ventilated area to dry until the wound contracts.
3. Substrate Preparation
A substrate with good drainage and aeration should be selected. A mixture of 2 parts sawdust and 8 parts garden soil can be used as the substrate. Before planting, place it in the sun for 1 to 3 days or mix it with carbendazim for disinfection.
4. Planting Cuttings
Before planting, apply rooting powder to the base of the cuttings to promote rooting and improve the survival rate. Make some holes in the substrate with a small stick, insert the cuttings into the holes 1/3 of their length, press the surrounding substrate, and water thoroughly.
5. Care and Management
After planting, place the cuttings in a well-ventilated, semi-shaded area. Maintain the temperature between 15 to 25°C. Water when the top layer of the substrate is dry, stopping when water flows out from the bottom of the container. Keep the substrate moist. The cuttings can root in about 14 days and can be transplanted into pots in about 30 days.
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